Exhaust Component, Box, Battery, and Electric Device

Abstract

The present disclosure provides an exhaust component, a box, a battery, and an electric device. The exhaust component includes a main body part and a one-way guiding part. The main body part is therein provided with an exhaust chamber, and the main body part is provided with a first surface, wherein the first surface is provided with ventilation holes communicating with the exhaust chamber. The one-way guiding part is arranged on the main body part. The one-way guiding part is configured to allow emissions released by the pressure relief mechanism of the battery cell to enter the exhaust chamber through the ventilation holes and is also configured to prevent the emissions within the exhaust chamber from being discharged through the ventilation holes.

What is claimed is: 
     
         1 . An exhaust component, comprising
 a main body part, including an exhaust chamber and a first surface, wherein the first surface includes ventilation holes communicating with the exhaust chamber; and   a one-way guiding part, arranged on the main body part, wherein the one-way guiding part is configured to allow emissions released by a pressure relief mechanism of a battery cell to enter the exhaust chamber through the ventilation holes, and is further configured to prevent the emissions within the exhaust chamber from being discharged through the ventilation holes.   
     
     
         2 . The exhaust component according to  claim 1 , wherein along a first direction, one side of the main body part forms a first surface, and the ventilation holes are configured to be arranged oppositely to the pressure relief mechanism along the first direction; and
 the first surface includes the ventilation holes, and the one-way guiding part seals the ventilation holes; one-way guiding parts correspond one-to-one with the ventilation holes; and the one-way guiding part is configured to be triggered by the emissions released by the pressure relief mechanism arranged oppositely so as to open the ventilation holes.   
     
     
         3 . The exhaust component according to  claim 2 , wherein the one-way guiding part is a one-way valve arranged within the ventilation holes. 
     
     
         4 . The exhaust component according to  claim 2 , wherein along the first direction, the main body part includes two first surfaces opposite each other, and both first surfaces include with the ventilation holes. 
     
     
         5 . The exhaust component according to  claim 2 , wherein the first surface is a surface having a largest area among outer surfaces of the main body part. 
     
     
         6 . The exhaust component according to  claim 2 , wherein the main body part further includes a medium channel, wherein the medium channel and the exhaust chamber are not in communication with each other, and the medium channel is configured to accommodate a refrigerant to manage a temperature of the battery cell. 
     
     
         7 . The exhaust component according to  claim 2 , wherein the one-way guiding part covers the ventilation holes and the one-way guiding part is configured to detach from the main body part under an impact of the emissions released by the pressure relief mechanism so as to open the ventilation holes. 
     
     
         8 . The exhaust component according to  claim 7 , wherein along the first direction, the main body part includes two first surfaces opposite each other, and both first surfaces include with the ventilation holes. 
     
     
         9 . The exhaust component according to  claim 7 , wherein the one-way guiding part is a plate-like structure that covers the ventilation holes. 
     
     
         10 . The exhaust component according to  claim 9 , wherein the ventilation holes penetrate a cavity wall surface of the exhaust chamber, and the one-way guiding part is connected to the cavity wall surface of the exhaust chamber. 
     
     
         11 . The exhaust component according to  claim 7 , wherein the ventilation holes penetrate a cavity wall surface of the exhaust chamber, and the one-way guiding part is connected to the cavity wall surface of the exhaust chamber. 
     
     
         12 . The exhaust component according to  claim 11 , wherein the cavity wall surface of the exhaust chamber includes a receiving groove, wherein the receiving groove communicates with the ventilation holes and the exhaust chamber; and at least a portion of the one-way guiding part is accommodated within the receiving groove. 
     
     
         13 . The exhaust component according to  claim 1 , wherein the first surface is a surface having a largest area among outer surfaces of the main body part. 
     
     
         14 . The exhaust component according to  claim 1 , wherein the main body part further includes a medium channel, wherein the medium channel and the exhaust chamber are not in communication with each other, and the medium channel is configured to accommodate a refrigerant to manage a temperature of the battery cell. 
     
     
         15 . A box, comprising
 a box body; and   an exhaust component inside the box body, the exhaust component comprising:
 a main body part, including an exhaust chamber and a first surface, wherein the first surface includes ventilation holes communicating with the exhaust chamber; and 
 a one-way guiding part, arranged on the main body part, 
 wherein the one-way guiding part is configured to allow emissions released by a pressure relief mechanism of a battery cell to enter the exhaust chamber through the ventilation holes, and is further configured to prevent the emissions within the exhaust chamber from being discharged through the ventilation holes; and 
 wherein the exhaust component is configured to partition an interior of the box body into multiple containment cavities for accommodating battery cells. 
   
     
     
         16 . A battery, comprising
 a box including a box body and an exhaust component inside the box body, wherein the exhaust component includes: a main body part, including an exhaust chamber and a first surface, wherein the first surface includes ventilation holes communicating with the exhaust chamber; and a one-way guiding part, arranged on the main body part; and   a battery cell, wherein the battery cell is housed in a containment cavity; and the battery cell includes a pressure relief mechanism, wherein the pressure relief mechanism is configured to release an internal pressure of the battery cell.   
     
     
         17 . The battery according to  claim 16 , wherein along a first direction, one side of the main body part forms the first surface; the pressure relief mechanism is arranged on one side of the battery cell along the first direction; and the pressure relief mechanism is arranged oppositely to the ventilation holes. 
     
     
         18 . The battery according to  claim 17 , wherein the battery comprises multiple battery cells arranged along a second direction; the main body part extends along the second direction; the ventilation holes correspond one-to-one with pressure relief mechanisms; and the second direction is perpendicular to the first direction. 
     
     
         19 . The battery according to  claim 18 , wherein the battery cell is rectangular in structure, and the battery cell includes a second surface, wherein the second surface is a surface having a largest area among outer surfaces of the battery cell, and the second surface is parallel to both the first direction and the second direction. 
     
     
         20 . The battery according to  claim 19 , wherein the battery comprises multiple rows of battery cells arranged along a third direction; each row of battery cells comprises multiple battery cells arranged along the second direction; and the third direction is perpendicular to the first direction and the second direction.